Fully customizable, incredibly easy to learn and use, and at the same time is one of the most powerful and flexible solutions in the industry.
Supports a huge number of services for any mapping needs, and has integration with the best Asset Store assets.
The package contains the complete source code without dependencies, and if you want to add or change some feature, you can easily do it.
Don't have programming experience or don't know C# - Online Maps supports visual scripting using Bolt and Playmaker.
All the mapping features that you may need are in one asset.